Need help with Itunes

I just got a new Imac and I want to put my itunes library into this new mac
but I can't figure out how ...... I have it saved on a external back up ????
My other Imac just stopped working it was 5 years old so I can't get it from there

I just got a new Imac and I want to put my itunes library into this new mac
but I can't figure out how ...... I have it saved on a external back up ????
My other Imac just stopped working it was 5 years old so I can't get it from there

MacRumors attracts a broad audience
of both consumers and professionals interested in
the latest technologies and products. We also boast an active community focused on
purchasing decisions and technical aspects of the iPhone, iPod, iPad, and Mac platforms.